package d1030;

public class Student extends Person {
    String name;
    String className;
    String number;
    public Student() {
    }

    public Student(String number, String className){
    this.number=number;
    this.className=className;


}

    public Student(String name, int age, String number, String className) {
    //this.name=name;
        this.age=age;
        this.number=number;
        this.className=className;
    }
public void study(){
    System.out.println("努力学习");
}

}
